mirror of
https://github.com/CookiePLMonster/SilentPatch.git
synced 2024-11-22 05:22:32 +01:00
Revert "FLAC decoder optimisations, resulting in bigger file size but fixed stutter"
This reverts commit d4569dbc84.
FLAC fixed properly now
This commit is contained in:
Silent
parent
d4569dbc84
commit
36fb6daa37
@ -18,6 +18,8 @@ FLAC__StreamDecoderReadStatus CAEFLACDecoder::read_cb(const FLAC__StreamDecoder*
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CAEFLACDecoder* pClientData = static_cast<CAEFLACDecoder*>(client_data);
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ReadFile(pClientData->GetStream()->GetFile(), buffer, *bytes, reinterpret_cast<LPDWORD>(bytes), nullptr); //*bytes = pClientData->GetStream()->FillBuffer(buffer, *bytes);
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//*bytes = pClientData->GetStream()->FillBuffer(buffer, *bytes);
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//bEOFFlag = GetLastError() == ERROR_HANDLE_EOF;
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auto result = *bytes ? FLAC__STREAM_DECODER_READ_STATUS_CONTINUE : FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
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@ -26,12 +28,11 @@ FLAC__StreamDecoderReadStatus CAEFLACDecoder::read_cb(const FLAC__StreamDecoder*
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static FLAC__int32* pMalloc = nullptr;
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static unsigned int nBlockSize = 0;
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static unsigned int nSamplesLeftToProcess = 0;
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FLAC__StreamDecoderWriteStatus CAEFLACDecoder::write_cb(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 *const buffer[], void *client_data)
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{
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UNREFERENCED_PARAMETER(decoder);
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CAEFLACDecoder* pClientData = static_cast<CAEFLACDecoder*>(client_data);
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// Obtain current sample
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@ -63,8 +64,6 @@ FLAC__StreamDecoderWriteStatus CAEFLACDecoder::write_cb(const FLAC__StreamDecode
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void CAEFLACDecoder::meta_cb(const FLAC__StreamDecoder* decoder, const FLAC__StreamMetadata *metadata, void *client_data)
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{
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UNREFERENCED_PARAMETER(decoder);
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if ( metadata->type == FLAC__METADATA_TYPE_STREAMINFO )
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{
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// Cache the header
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@ -75,8 +74,6 @@ void CAEFLACDecoder::meta_cb(const FLAC__StreamDecoder* decoder, const FLAC__Str
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FLAC__StreamDecoderSeekStatus CAEFLACDecoder::seek_cb(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data)
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{
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UNREFERENCED_PARAMETER(decoder);
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CAEFLACDecoder* pClientData = static_cast<CAEFLACDecoder*>(client_data);
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LARGE_INTEGER li;
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li.QuadPart = absolute_byte_offset;
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@ -88,8 +85,6 @@ FLAC__StreamDecoderSeekStatus CAEFLACDecoder::seek_cb(const FLAC__StreamDecoder
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FLAC__StreamDecoderTellStatus CAEFLACDecoder::tell_cb(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
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{
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UNREFERENCED_PARAMETER(decoder);
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CAEFLACDecoder* pClientData = static_cast<CAEFLACDecoder*>(client_data);
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LARGE_INTEGER li;
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li.QuadPart = 0;
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@ -102,8 +97,6 @@ FLAC__StreamDecoderTellStatus CAEFLACDecoder::tell_cb(const FLAC__StreamDecoder
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FLAC__StreamDecoderLengthStatus CAEFLACDecoder::length_cb(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data)
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{
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UNREFERENCED_PARAMETER(decoder);
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CAEFLACDecoder* pClientData = static_cast<CAEFLACDecoder*>(client_data);
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LARGE_INTEGER li;
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@ -129,6 +122,7 @@ void CAEFLACDecoder::error_cb(const FLAC__StreamDecoder* decoder, FLAC__StreamDe
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UNREFERENCED_PARAMETER(client_data);
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}
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bool CAEFLACDecoder::Initialise()
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{
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pFLACDecoder = FLAC__stream_decoder_new();
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@ -136,32 +130,27 @@ bool CAEFLACDecoder::Initialise()
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{
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FLAC__stream_decoder_process_until_end_of_metadata(pFLACDecoder);
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return pStreamInfo->data.stream_info.sample_rate <= 48000 && (pStreamInfo->data.stream_info.bits_per_sample == 8 || pStreamInfo->data.stream_info.bits_per_sample == 16 || pStreamInfo->data.stream_info.bits_per_sample == 24);
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return /*pStreamInfo->data.stream_info.sample_rate <= 48000 &&*/ (pStreamInfo->data.stream_info.bits_per_sample == 8 || pStreamInfo->data.stream_info.bits_per_sample == 16 || pStreamInfo->data.stream_info.bits_per_sample == 24);
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}
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return false;
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}
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/*unsigned int CAEFLACDecoder::FillBuffer(void* pBuf, unsigned long nLen)
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unsigned int CAEFLACDecoder::FillBuffer(void* pBuf, unsigned long nLen)
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{
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//unsigned int nSigLen = nLen / 4;
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unsigned int nBytesDecoded = 0;
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unsigned int nSampleRate = pStreamInfo->data.stream_info.bits_per_sample;
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FLAC__int16* pBuffer = static_cast<FLAC__int16*>(pBuf);
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bool bStereo = pStreamInfo->data.stream_info.channels > 1;
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unsigned int nBytesDecoded = 0;
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FLAC__int16* pBuffer = static_cast<FLAC__int16*>(pBuf);
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const unsigned int nSampleRate = pStreamInfo->data.stream_info.bits_per_sample;
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const bool bStereo = pStreamInfo->data.stream_info.channels > 1;
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while ( nBytesDecoded < nLen )
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{
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static FLAC__int32* pCurrentPtr[2];
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unsigned int nToWrite;
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// No samples left from a previous fetch?
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if ( !nSamplesLeftToProcess )
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{
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FLAC__stream_decoder_process_single(pFLACDecoder);
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pCurrentPtr[0] = pMalloc;
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pCurrentPtr[1] = pMalloc+nBlockSize;
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if ( (nLen - nBytesDecoded) / 4 >= nBlockSize )
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nToWrite = nBlockSize;
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else
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@ -172,39 +161,51 @@ bool CAEFLACDecoder::Initialise()
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else
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nToWrite = nSamplesLeftToProcess;
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// Write channels
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if ( bStereo )
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{
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// Stereo
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if ( nSampleRate == 8 )
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{
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// 8-bit
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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pBuffer[0] = *pCurrentPtr[0]++ << 8;
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pBuffer[1] = *pCurrentPtr[1]++ << 8;
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FLAC__int32* pCurrentPtr[2] = { pMalloc, pMalloc+nBlockSize };
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const unsigned int ExtraIndex = nBlockSize - nSamplesLeftToProcess;
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pBuffer += 2;
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}
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}
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else if ( nSampleRate == 24 )
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// Write channels
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if ( nSampleRate == 8 )
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{
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// 8-bit
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if ( bStereo )
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{
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// 24-bit
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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pBuffer[0] = *pCurrentPtr[0]++ >> 8;
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pBuffer[1] = *pCurrentPtr[1]++ >> 8;
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pBuffer[0] = pCurrentPtr[0][ExtraIndex+i] << 8;
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pBuffer[1] = pCurrentPtr[1][ExtraIndex+i] << 8;
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pBuffer += 2;
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}
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}
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else
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{
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// 16-bit
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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pBuffer[0] = *pCurrentPtr[0]++;
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pBuffer[1] = *pCurrentPtr[1]++;
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pBuffer[0] = pBuffer[1] = pCurrentPtr[0][ExtraIndex+i] << 8;
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pBuffer += 2;
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}
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}
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}
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else if ( nSampleRate == 24 )
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{
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// 24-bit
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if ( bStereo )
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{
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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pBuffer[0] = pCurrentPtr[0][ExtraIndex+i] >> 8;
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pBuffer[1] = pCurrentPtr[1][ExtraIndex+i] >> 8;
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pBuffer += 2;
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}
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}
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else
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{
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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pBuffer[0] = pBuffer[1] = pCurrentPtr[0][ExtraIndex+i] >> 8;
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pBuffer += 2;
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}
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@ -212,339 +213,36 @@ bool CAEFLACDecoder::Initialise()
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}
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else
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{
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// Mono
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if ( nSampleRate == 8 )
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// 16-bit
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if ( bStereo )
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{
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// 8-bit
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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pBuffer[0] = pBuffer[1] = *pCurrentPtr[0]++ << 8;
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pBuffer += 2;
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}
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}
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else if ( nSampleRate == 24 )
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{
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// 24-bit
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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pBuffer[0] = pBuffer[1] = *pCurrentPtr[0]++ >> 8;
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pBuffer[0] = pCurrentPtr[0][ExtraIndex+i];
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pBuffer[1] = pCurrentPtr[1][ExtraIndex+i];
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pBuffer += 2;
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}
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}
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else
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{
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// 16-bit
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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pBuffer[0] = pBuffer[1] = *pCurrentPtr[0]++;
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pBuffer[0] = pBuffer[1] = pCurrentPtr[0][ExtraIndex+i];
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pBuffer += 2;
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}
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}
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}
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//nSigLen -= nToWrite;
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nBytesDecoded += nToWrite*4;
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if ( FLAC__stream_decoder_get_state(pFLACDecoder) == FLAC__STREAM_DECODER_END_OF_STREAM )
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break;
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}
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return nBytesDecoded;//nSigLen > 0 ? nLen - nBytesDecoded : nLen;
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}*/
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// Separated functions for maximum decoding performance
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static FLAC__int32* pCurrentPtr[2];
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static unsigned int DecodeMono8bit(FLAC__StreamDecoder* pDecoder, void* pBuf, unsigned long nLen)
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{
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unsigned int nBytesDecoded = 0;
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FLAC__int16* pBuffer = static_cast<FLAC__int16*>(pBuf);
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while ( nBytesDecoded < nLen )
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{
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unsigned int nToWrite;
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// No samples left from a previous fetch?
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if ( !nSamplesLeftToProcess )
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{
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FLAC__stream_decoder_process_single(pDecoder);
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pCurrentPtr[0] = pMalloc;
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pCurrentPtr[1] = pMalloc+nBlockSize;
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if ( (nLen - nBytesDecoded) / 4 >= nBlockSize )
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nToWrite = nBlockSize;
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else
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nToWrite = (nLen - nBytesDecoded) / 4;
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nSamplesLeftToProcess = nBlockSize;
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}
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else
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nToWrite = nSamplesLeftToProcess;
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// Write channels
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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pBuffer[0] = pBuffer[1] = *pCurrentPtr[0]++ << 8;
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pBuffer += 2;
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}
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nBytesDecoded += nToWrite*4;
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if ( FLAC__stream_decoder_get_state(pDecoder) == FLAC__STREAM_DECODER_END_OF_STREAM )
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break;
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}
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return nBytesDecoded;
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}
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static unsigned int DecodeMono16bit(FLAC__StreamDecoder* pDecoder, void* pBuf, unsigned long nLen)
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{
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unsigned int nBytesDecoded = 0;
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FLAC__int16* pBuffer = static_cast<FLAC__int16*>(pBuf);
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while ( nBytesDecoded < nLen )
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{
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unsigned int nToWrite;
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// No samples left from a previous fetch?
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if ( !nSamplesLeftToProcess )
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{
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FLAC__stream_decoder_process_single(pDecoder);
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pCurrentPtr[0] = pMalloc;
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pCurrentPtr[1] = pMalloc+nBlockSize;
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if ( (nLen - nBytesDecoded) / 4 >= nBlockSize )
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nToWrite = nBlockSize;
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else
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nToWrite = (nLen - nBytesDecoded) / 4;
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nSamplesLeftToProcess = nBlockSize;
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}
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else
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nToWrite = nSamplesLeftToProcess;
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// Write channels
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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pBuffer[0] = pBuffer[1] = *pCurrentPtr[0]++;
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pBuffer += 2;
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}
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nBytesDecoded += nToWrite*4;
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if ( FLAC__stream_decoder_get_state(pDecoder) == FLAC__STREAM_DECODER_END_OF_STREAM )
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break;
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}
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return nBytesDecoded;
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}
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static unsigned int DecodeMono24bit(FLAC__StreamDecoder* pDecoder, void* pBuf, unsigned long nLen)
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{
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unsigned int nBytesDecoded = 0;
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FLAC__int16* pBuffer = static_cast<FLAC__int16*>(pBuf);
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while ( nBytesDecoded < nLen )
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{
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unsigned int nToWrite;
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// No samples left from a previous fetch?
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if ( !nSamplesLeftToProcess )
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{
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FLAC__stream_decoder_process_single(pDecoder);
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pCurrentPtr[0] = pMalloc;
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pCurrentPtr[1] = pMalloc+nBlockSize;
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if ( (nLen - nBytesDecoded) / 4 >= nBlockSize )
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nToWrite = nBlockSize;
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else
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nToWrite = (nLen - nBytesDecoded) / 4;
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nSamplesLeftToProcess = nBlockSize;
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}
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else
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nToWrite = nSamplesLeftToProcess;
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// Write channels
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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pBuffer[0] = pBuffer[1] = *pCurrentPtr[0]++ >> 8;
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pBuffer += 2;
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}
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nBytesDecoded += nToWrite*4;
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if ( FLAC__stream_decoder_get_state(pDecoder) == FLAC__STREAM_DECODER_END_OF_STREAM )
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break;
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}
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return nBytesDecoded;
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}
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static unsigned int DecodeStereo8bit(FLAC__StreamDecoder* pDecoder, void* pBuf, unsigned long nLen)
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{
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unsigned int nBytesDecoded = 0;
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FLAC__int16* pBuffer = static_cast<FLAC__int16*>(pBuf);
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while ( nBytesDecoded < nLen )
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{
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unsigned int nToWrite;
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// No samples left from a previous fetch?
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if ( !nSamplesLeftToProcess )
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{
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FLAC__stream_decoder_process_single(pDecoder);
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pCurrentPtr[0] = pMalloc;
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pCurrentPtr[1] = pMalloc+nBlockSize;
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if ( (nLen - nBytesDecoded) / 4 >= nBlockSize )
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nToWrite = nBlockSize;
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else
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nToWrite = (nLen - nBytesDecoded) / 4;
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nSamplesLeftToProcess = nBlockSize;
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}
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else
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nToWrite = nSamplesLeftToProcess;
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// Write channels
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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pBuffer[0] = *pCurrentPtr[0]++ << 8;
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pBuffer[1] = *pCurrentPtr[1]++ << 8;
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pBuffer += 2;
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}
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nBytesDecoded += nToWrite*4;
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if ( FLAC__stream_decoder_get_state(pDecoder) == FLAC__STREAM_DECODER_END_OF_STREAM )
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break;
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}
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return nBytesDecoded;
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}
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static unsigned int DecodeStereo16bit(FLAC__StreamDecoder* pDecoder, void* pBuf, unsigned long nLen)
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{
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unsigned int nBytesDecoded = 0;
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FLAC__int16* pBuffer = static_cast<FLAC__int16*>(pBuf);
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while ( nBytesDecoded < nLen )
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{
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unsigned int nToWrite;
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// No samples left from a previous fetch?
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if ( !nSamplesLeftToProcess )
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{
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FLAC__stream_decoder_process_single(pDecoder);
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pCurrentPtr[0] = pMalloc;
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pCurrentPtr[1] = pMalloc+nBlockSize;
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if ( (nLen - nBytesDecoded) / 4 >= nBlockSize )
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nToWrite = nBlockSize;
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else
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nToWrite = (nLen - nBytesDecoded) / 4;
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nSamplesLeftToProcess = nBlockSize;
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}
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else
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nToWrite = nSamplesLeftToProcess;
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// Write channels
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for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
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{
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//*pBuffer++ = *pCurrentPtr[0]++ + (*pCurrentPtr[1]++ << 16);
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pBuffer[0] = *pCurrentPtr[0]++;
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pBuffer[1] = *pCurrentPtr[1]++;
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pBuffer += 2;
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}
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nBytesDecoded += nToWrite*4;
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if ( FLAC__stream_decoder_get_state(pDecoder) == FLAC__STREAM_DECODER_END_OF_STREAM )
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break;
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}
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return nBytesDecoded;
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}
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static unsigned int DecodeStereo24bit(FLAC__StreamDecoder* pDecoder, void* pBuf, unsigned long nLen)
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{
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unsigned int nBytesDecoded = 0;
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FLAC__int16* pBuffer = static_cast<FLAC__int16*>(pBuf);
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while ( nBytesDecoded < nLen )
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{
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unsigned int nToWrite;
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// No samples left from a previous fetch?
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if ( !nSamplesLeftToProcess )
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{
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FLAC__stream_decoder_process_single(pDecoder);
|
||||
|
||||
pCurrentPtr[0] = pMalloc;
|
||||
pCurrentPtr[1] = pMalloc+nBlockSize;
|
||||
|
||||
if ( (nLen - nBytesDecoded) / 4 >= nBlockSize )
|
||||
nToWrite = nBlockSize;
|
||||
else
|
||||
nToWrite = (nLen - nBytesDecoded) / 4;
|
||||
|
||||
nSamplesLeftToProcess = nBlockSize;
|
||||
}
|
||||
else
|
||||
nToWrite = nSamplesLeftToProcess;
|
||||
|
||||
// Write channels
|
||||
for ( unsigned int i = 0; i < nToWrite; i++, nSamplesLeftToProcess-- )
|
||||
{
|
||||
pBuffer[0] = *pCurrentPtr[0]++ >> 8;
|
||||
pBuffer[1] = *pCurrentPtr[1]++ >> 8;
|
||||
|
||||
pBuffer += 2;
|
||||
}
|
||||
|
||||
nBytesDecoded += nToWrite*4;
|
||||
|
||||
if ( FLAC__stream_decoder_get_state(pDecoder) == FLAC__STREAM_DECODER_END_OF_STREAM )
|
||||
break;
|
||||
}
|
||||
|
||||
return nBytesDecoded;
|
||||
}
|
||||
|
||||
unsigned int CAEFLACDecoder::FillBuffer(void* pBuf, unsigned long nLen)
|
||||
{
|
||||
unsigned int nSampleRate = pStreamInfo->data.stream_info.bits_per_sample;
|
||||
bool bStereo = pStreamInfo->data.stream_info.channels > 1;
|
||||
|
||||
if ( bStereo )
|
||||
{
|
||||
if ( nSampleRate == 8 )
|
||||
return DecodeStereo8bit(pFLACDecoder, pBuf, nLen);
|
||||
|
||||
if ( nSampleRate == 24 )
|
||||
return DecodeStereo24bit(pFLACDecoder, pBuf, nLen);
|
||||
|
||||
return DecodeStereo16bit(pFLACDecoder, pBuf, nLen);
|
||||
}
|
||||
|
||||
if ( nSampleRate == 8 )
|
||||
return DecodeMono8bit(pFLACDecoder, pBuf, nLen);
|
||||
|
||||
if ( nSampleRate == 24 )
|
||||
return DecodeMono24bit(pFLACDecoder, pBuf, nLen);
|
||||
|
||||
return DecodeMono16bit(pFLACDecoder, pBuf, nLen);
|
||||
}
|
||||
|
||||
CAEFLACDecoder::~CAEFLACDecoder()
|
||||
{
|
||||
nSamplesLeftToProcess = 0;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user